How do you let your visitors know that they do or do not have the right browser to view your site? Use this JavaScript! It'll tell them if they are using the right browser and the right version, or not....

This page is best viewed with Netscape 3.01, Windows 95 and 640 x 480 resolution.

<scriptlanguage="javascript"type="text/javascript">/* Visit http://www.yaldex.com/
for full source code
and get more free JavaScript, CSS and DHTML scripts! */
<!-- Beginfunction
DetectBrowser (BestBrowser,BestVersion){var
Browser =navigator.appName;var
Version =navigator.appVersion;if(Browser
==
BestBrowser){if(Version
==
BestVersion){alert("Congratulations,
you've got just the right browser to be able to view this page
properly.");
}else{alert("You've
at least got the right browser, but the version is not the right one, so
you might not be possible to view the page properly.");}
}else{alert("Sorry,
you haven't got the right browser to view this page as it was meant to
be viewed, so you'll probably not be able to view this page properly.");}
}// End --></script><b><FONTSIZE=-1>This
page is best viewed with Netscape 3.01, Windows 95 and 640 x 480
resolution.</FONT></b><FORM><INPUTTYPE=BUTTONVALUE="Have
the right browser?"onClick="DetectBrowser
('Netscape','3.01Gold (Win95; I)')"></FORM>